Five states had winter weather-related warnings in place from the National Weather Service (NWS) early on Sunday, with up to 20 inches of snow forecast to hit parts of the U.S.

Winter weather warnings have been issued in four states, with blowing snow expected to hit some areas this weekend. Freezing temperatures pose health risks, particularly for vulnerable groups such as infants and older adults. Snow can disrupt travel and create dangerous driving conditions, while winter storms may also cause power outages.